Dimensionless units, also known as dimensionless quantities, are numerical values that do not have any physical dimensions associated with them. This means they are not measured in terms of fundamental units like length, mass, time, etc., but are instead pure numbers that result from the ratio of two quantities with the same dimensions or from other dimensional analysis. Dimensionless units are commonly used in various scientific fields for several reasons: 1. **Simplification**: They can simplify equations by removing physical units.
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